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Android library for generating instrumentation reports in Allure format

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package ru.tinkoff.allure

import ru.tinkoff.allure.model.Parameter
import ru.tinkoff.allure.model.Status
import ru.tinkoff.allure.model.StatusDetails
import ru.tinkoff.allure.model.StepResult

/**
 * @author b.mukvich on 31.05.2017.
 */

inline fun  step(description: String, vararg params: Parameter, block: () -> T): T {
    with(Step()) {
        val result: T
        stepStart(description, *params)
        try {
            result = block()
            stepCompleted()
        } catch (t: Throwable) {
            stepThrown(t)
            throw t
        } finally {
            stepStop()
        }
        return result
    }
}

class Step {
    // todo: commonLifecycle works on Android, only 'cause steps don't call writer
    private val lifecycle: AllureLifecycle = AllureCommonLifecycle

    fun stepCompleted() =
            lifecycle.updateStep { if (status == null) status = Status.PASSED }

    fun stepStart(name: String, vararg params: Parameter) {
        val step = StepResult().apply {
            this.name = name
            parameters.addAll(params)
        }
        lifecycle.startStep(step)
    }

    fun stepThrown(t: Throwable) {
        with(lifecycle) {
            updateStep {
                status = Status.fromThrowable(t)
                statusDetails = StatusDetails.fromThrowable(t)
            }
        }
    }

    fun stepStop() = lifecycle.stopStep()
}